如图,在三角形
中,
,
,
,点
是
的中点,点
从
点出发,先以每秒
的速度运动到
,然后以每秒
的速度从
运动到
.当点
运动时间
_______ 秒时,三角形
的面积为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d9142db4dd2ef151bf3d4a63afb61e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82cf997be91eba5aa57c308a3461c799.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67fa79283e769e44399dab522aeaaf71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2713679aa5f12e1d89d3a3d98b65212e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96a4fe52baabb3071d55134f157a6079.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a75b37405257ec8bd40ef31002d93a55.png)
![](https://img.xkw.com/dksih/QBM/2020/2/6/2393380198424576/2394038620299264/STEM/4e4358d1-fe30-4574-96d4-b5f3ec97e743.png)
更新时间:2020-02-07 19:46:57
|
【知识点】 几何问题(一元一次方程的应用)解读
相似题推荐
填空题
|
较易
(0.85)
【推荐2】如图,
,
.
,点 P 在线段
上以
的速度由点A向点B运动,同时,点Q在射线
上由点B向点D方向运动.它们运动的时间为
,则点Q的运动速度为___________
时,在某一时刻,由A,C,P三点构成的三角形与由B,P,Q三点构成的三角形全等.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6850a299395c314b8f8f2f8ca50c9895.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28f9fc63aeaac7f7e359f1bcd734a90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf6df2127c60a41c1ce2b2cb2062533.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5631e6ec24d3d67bf4592313b6b3f4f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41fb80b591b497d8d7a6d8592160de44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d1461f3b7f2a8a65097c8de1dcbfc7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/2/58b1a8c8-8411-4c4d-bfba-56588e4db671.png?resizew=121)
您最近一年使用:0次